FREE Expert Advisor e-TrendLineTrader Conception:
Open long if a bar closed above a TrendLine.
Open short if a bar closed below a TrendLine.

FREE Expert Advisor e-TrendLineTrader Usage:
Place N TrendLines on the chart manual.
Change descriptions of these trendlines to LongTrendLineDescr or ShortTrendLineDescr. Apply the expert.

FREE Expert Advisor e-TrendLineTrader Parameters:

" --- Trade params ---",

extern bool MarketExecution = false;
// Set MarketExecution = true for ECN brokers.
// This means that market orders will be placed without StopLoss and TakeProfit.
// StopLoss and TakeProfit will be added after open.
extern int AccDigits = 5;
// Set 4 for 4-digit quotes; set 5 - for 5-digit quotes
// This is amount of digits after decimal point on EURUSD pair
extern double Lots = 1.0; // lots volume
extern int StopLoss = 100; // StopLoss, pips (0 = no StopLoss)
extern int TakeProfit = 100;// TakeProfit, pips (0 = no StopLoss)
extern int Slippage = 3;// max. allowable slippage value, pips
extern int Magic = 20100620;// some unique orders ID

" --- TrendLine params ---"

extern string LongTrendLineDescr = "LTR";
// Only TrendLines with this description will be processed to open Buy orders
extern string ShortTrendLineDescr = "STR";
// Only TrendLines with this description will be processed to open Sell orders

!We can add the following extra options:

1a) Move StopLoss to breakeven when trade is in profit by X pips cost +$45
1b) TrailingStop (standard or by fractals) cost +$45
2a) Dynamic lot calculation (as percent of Account Balance, Accout Equity or account Free Margin) cost +$45
2b) Dynamic lot calculation (according to Martingale theory) cost +$95
3) Close open orders at CloseTime or close only profitable open orders at CloseTime
CloseTime is external param cost +$45
4) Trade time to open order from hh:mm to hh:mm
example: from 6:30 to 22:45 by ServerTime cost +$55
5) Possibility to define work days of the week
example:
extern string _tmp3_ = " --- Trade days ---";
extern bool MondayOn = true;
extern bool TuesdayOn = true;
extern bool WednesdayOn = true;
extern bool ThursdayOn = true;
extern bool FridayOn = false;
extern bool SaturdayOn = false;
extern bool SundayOn = false;
cost +$45
6) Sound, Popup, Email alerts on open/close of an order
cost +$65
7) StopLoss, TakeProfit, TrailingStop are hidden to brokers
In this case EA uses 2 types of stops: Fake (or visible) stops and Hidden (or invisible) stops cost +$190

FREE Expert Advisor e-Stochastic Conception:
e-StochFree MetaTrader4 expert advisor based on Stochastic Oscillator and Overbought/Oversold levels.

FREE Expert Advisor e-Stochastic Rules:
Buy when Stochastic Oscillator (main line) falls below Oversold level (e.g., 20) and then rises above that level. 
Sell when the Stochastic Oscillator rises above Overbought level (e.g., 80) and then falls below that level.

FREE Expert Advisor e-Stochastic Parameters:
AccDigits = 5; //set 4 for 4-digit quotes; set 5 if your broker provides 5-digit quotes
Lots = 1.0; //lots volume
StopLoss = 100; //StopLoss value, pips (0 = no StopLoss)
TakeProfit = 100; //TakeProfit value, pips (0 = no TakeProfit)
Slippage = 3; //max. allowable slippage value, pips
Magic = 20091107; //some unique ID of the expert
--- Stochastic ---
Stoch.Kperiod = 5; //Stochastic %K line period
Stoch.Dperiod = 3; //Stochastic %D line period
Stoch.slowing = 3; //Stochastic slowing value
Stoch.method = MODE_SMA; //MA method: MODE_SMA, MODE_EMA, MODE_SMMA or MODE_LWMA
Stoch.price_field = 0; //price field parameter: 0 - Low/High or 1 - Close/Close
Stoch.SignalBar = 1; //0 - get Stochastic signal from open bar; 1 - get Stochastic signal from closed bar
Stoch.OverboughtLevel = 80.0; //Stochastic Overbought level
extern double Stoch.OversoldLevel = 20.0; //Stochastic Oversold level
--- Trailing ---
TrailingOn = true; //use trailing true/false
TrailingStart = 30; //trailing stoploss size, pips
TrailingSize = 30; //min. profit value to activate the trailing, pips

FREE Expert Advisor e-Stochastic Back Test:
Click to view back test

Free Metatrader Indicator i-Regr

Degree - power of Polynomial:   1- linear; 2- parabolic; 3- Third-power

Free Metatrader Expert Advisor based on Regression Channel Metatrader Indicator
 
If price lower than under line - Buy
If price bigger than upper line  - Sell

TakeProfit by average line.
Stop Loss = 0 but you can set Stop Loss
Trend Protection: If  D1 candle (for previously day)  bigger than 150 pips – trade prohibition and  close all opened position.

Warning: The Expert advisor e-Regr was not adjusted and not optimized. Read more about metatrader expert advisors optimization.